body {
	font-family: Arial, sans-serif;
	background-color: #f5f5f5;
	text-align: center;
}
h1 {
	color: #8B4513;
}
table {
	margin: 0 auto;
	border-collapse: collapse;
}
th, td {
	border: 1px solid #8B4513;
	padding: 10px;
	width: 50px;
	height: 50px;
	text-align: center;
}
a {
	text-decoration: none;
	color: #000000;
}
td a {
	color: #8B4513;
	font-size: 24px;
	font-weight: bold;
}
div.navlink {
	text-align: left;
}